The front brake discs consist of an inner carrier, which is mounted to the wheel, and an outer rotor. Both parts must be changed together as a pair.
Remove the front wheel (sect. 7 - 1, Removal of the front wheel).
Undo the retaining screws (5) of the disc to the wheel, remove the disc (7) and, on its left side, slide out the phonic wheel (6).

Removal of the front brake system
Overhauling the front brake componentsThrottle valve position sensor
Introduction
The throttle valve position sensor (tps) of the diavel is mounted on the
throttle body.
The sensor is integrated into the throttle valve actuator motor, which
turns the spindle of the vertical cylinder throttle
valve directly.
The sensor sends information to the engine con ...
Removal of the front brake system
Note
For the abs front braking system, also refer to sect. 7 - 5, Abs system
operating information, sect. 7 - 6, System
components, sect. 7 - 7, Abs components maintenance.
Undo the special screw (3), collect the sealing washers (4), and release the
front brake master cylinder assembly (1 ...
Checking and adjusting timing belt tension
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
Note
This operation, which is performed using the dds diagnosis instrument, has
the advantage that it can be carried out on
both timing belts with the engine still installed on the frame. ...